The Third R in Literacy
Randall R. Richardson, William G. McCallum 2003 in Quantitative Literacy: Why Numeracy Matters for Schools and Colleges, Bernard L. Madison and Lynn Arthur Steen (Eds.), p. 99-106 National Council on Education and the Disciplines, Princeton, New Jersey

The authors make the case for incorporating mathematics into the definition of literacy, based on the pervasiveness of quantitative information and the necessity of acting on it. They provide a useful definition of quantitative literacy and then expand on it major themes.